High effectiveness of infant vaccination against pertussis in 1- and 2-year-olds, the Netherlands, 2013-2024.
INTRODUCTION With still high circulation of pertussis and risk for severe disease in young children, insight into vaccine effectiveness (VE) of infant pertussis vaccination is important. In the Netherlands, NIP period 1 corresponds to the period during which the DT3aP-IPV-Hib-HBV vaccine and the 3 + 1 dose schedule wer...